12525252526 has 4 divisors (see below), whose sum is σ = 18787878792. Its totient is φ = 6262626262.

The previous prime is 12525252517. The next prime is 12525252529. The reversal of 12525252526 is 62525252521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525252529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3131313130 + ... + 3131313133.

It is an arithmetic number, because the mean of its divisors is an integer number (4696969698).

Almost surely, 2^12525252526 is an apocalyptic number.

12525252526 is a deficient number, since it is larger than the sum of its proper divisors (6262626266).

12525252526 is an equidigital number, since it uses as much as digits as its factorization.

12525252526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262626265.

The product of its digits is 120000, while the sum is 37.

The spelling of 12525252526 in words is "twelve billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred twenty-six".